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प्रश्न
A convex mirror is used as a shaving mirror.
पर्याय
True
False
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उत्तर
False.
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संबंधित प्रश्न
"A concave mirror of focal length 15 cm can form a magnified, erect as well as inverted image of an object placed in front of it." Justify this statement stating the position of the object with respect to the pole of the mirror in both the cases for obtaining the images.
State two positions in which a concave mirror produces a magnified image of a given object. List two differences between the two images.
A spherical mirror produces an image of magnification -1.0 on a screen placed at a distance of 30 cm from the pole of the mirror.
(i) Write the type of mirror in this case.
(ii) What is the focal length of the mirror ?
(iii) What is the nature of the image formed ?
(iv) Draw the ray diagram to show the image formation in this case.
A concave mirror produces three times magnified (enlarged) real image of object placed at 10 cm in front of it. Where is the image located?
Name the type of mirror used in the following situation:
Headlights of a car
Support your answer with reason.
ill in the following blank with suitable word:
For a convex mirror, parallel rays of light appear to diverge from a point called the ......... .
If an object is placed at the focus of a concave mirror, where is the image formed?
A concave mirror has a focal length of 25 cm. At which of the following distance should a person hold his face from this concave mirror so that it may act as a shaving mirror?
(a) 45 cm
(b) 20 cm
(c) 25 cm
(d) 30 cm
Give reason for your choice.
What type of image/images are formed by:
a convex mirror?
Examine the above figure and state which of the following option is correct? [one small box in the figure is equal to 1 cm]
